CVE-2026-44937
Unauthenticated webhook forgery allows remote DoS or repo downgrade.
Is CVE-2026-44937 being exploited?
Not confirmed. CVE-2026-44937 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.42% probability of exploitation in the next 30 days.
How severe is CVE-2026-44937?
CVE-2026-44937 is rated High with a CVSS score of 8.3. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-44937?
Yes. A fix has been recorded for CVE-2026-44937. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-44937 affect?
CVE-2026-44937 affects SUSE Rancher Fleet <= 0.15.1, SUSE Rancher Fleet <= 0.14.5, SUSE Rancher Fleet <= 0.13.10, SUSE Rancher Fleet <= 0.12.4. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-44937?
Upgrade to patched Fleet version; enforce authentication on webhooks
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote attacker can trigger DoS or downgrade repositories via forged webhooks; disrupts fleet management.
Patch when possible
- affected>= 0.15.0 and < 0.15.2
- affected>= 0.14.0 and < 0.14.6
- affected>= 0.13.0 and < 0.13.11
- affected>= 0.12.0 and < 0.12.15
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.